Skip unchanged images on PR builds#44
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The load-matrix job now filters the build matrix by comparing PR changed files against each image's declared source paths. Single-image PRs only build the affected image; flake/common/workflow changes still trigger a full rebuild of all images. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Move the inline changed-file detection and matrix filtering logic from build.yml into common/lib/scripts/filter-build-matrix with ShellSpec tests, following the existing script+test pattern. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
pathsfield to each entry in.github/image-matrix.jsonmapping images to their source filesload-matrixjob inbuild.ymlto filter the matrix by PR changed files (via GitHub API)flake.nix,flake.lock,common/lib/,common/pkgs/, or workflow files changepathsfield in pre-release and cleanup workflows (which always process all images)Test plan
common/images/redis.nix— verify onlyredisimage buildsflake.lock— verify all 7 images buildapps/sbomify/deployments/compose/Caddyfile.dev— verify onlysbomify-caddy-devbuilds🤖 Generated with Claude Code